US PATENT SUBCLASS 112 / 31
.~.~.~ Fair stitch

Current as of: June, 1999
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112 /   HD   SEWING

2  DF  SPECIAL MACHINES {38}
28  DF  .~ Leather sewing {16}
*  DD  .~.~ Shoe sole {9}
31.~.~.~ Fair stitch

DEFINITION

Classification: 112/31

Stitches are held in place by friction, either of the threads themselves, or of a plug inserted in the leather or other material.